.left-panel {
  padding: 15px;
  width: 450px;
  left: 0;
  top: 0;
  height: 100%;
  overflow: auto;

  nz-input-group {
    margin-bottom: 10px;
  }

  .custom-node {
    display: inline-block;
    padding: 2px 5px;
    cursor: pointer;
    &.active {
      background-color: #bae7ff;
      .tree-btns {
        display: block;
      }
    }
  }
}
